package com.wnh.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author: wnhyang
 * @create: 2021-08-20 14:37
 **/
public class ListValidConstraintValidator implements ConstraintValidator<ListValid, Integer> {
    private Set<Integer> set = new HashSet<>();

    // 初始化方法
    @Override
    public void initialize(ListValid constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int val : vals) {
            set.add(val);
        }
    }

    // 判断是否校验成功
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(integer);
    }
}
